Welcome to IHTSDO
The International Health Terminology Standards Development Organisation determines global standards for health terms, an essential part of improving the health of humankind.
We are committed to maintaining and growing our leadership as the global experts in healthcare terminology, ensuring that SNOMED CT, our world-leading product, is accepted as the global common language for health terms.
Expression Constraint Language - Version 1.1 now available
October 22, 2016
IHTSDO would like to announce the publication of version 1.1 of the Expression Constraint Language (ECL).
Community Review of the draft SNOMED CT MRCM Design
October 11, 2016
The Machine Readable Concept Model (MRCM) represents the rules of the SNOMED CT concept model in a form that can be read by a computer and applied to test that concept definitions and expressions comply...
RFP for LOINC - SNOMED CT Cooperation Project
September 1, 2016
The IHTSDO seeks a proposal from a suitable organization or individual to align LOINC Parts with equivalent SNOMED CT concepts and develop new SNOMED CT content as part of the Cooperation agreement between the International Health Terminology Standards Development Organisation (IHTSDO) and the Regen...
Communications Strategy Request for Proposals
August 24, 2016
IHTSDO invites experienced healthcare communications firms to submit proposals by September 8
SNOMED CT Expo 2016: Full programme now available - register early to avoid disappointment.
August 19, 2016
IHTSDO are excited to announce that full programme details for all of the SNOMED CT Expo 2016 streams are now available, including session descriptions and speaker names
SNOMED CT Events